Roman Catholic Suburbicarian Diocese of Frascati

Last updated
Suburbicarian See of Frascati

Frascati 1 BW.JPG
Frascati Cathedral
Country Italy
Ecclesiastical province Diocese of Rome
Area168 km2 (65 sq mi)
- Total
- Catholics (including non-members)
(as of 2013)
124,500 (est.)
117,700 (est.) (94.5%)
Denomination Roman Catholic
Rite Latin Rite
Established3rd Century
Cathedral Basilica Cattedrale di San Pietro Apostolo
Secular priests 27 (diocesan)
20 (Religious Orders)
Current leadership
Pope Francis
Bishop Tarcisio Bertone (cardinal-bishop)
Raffaello Martinelli (diocesan bishop)
Frascati diocesi.png

The Diocese of Frascati (Lat.: Tusculana) is a suburbicarian see of the Holy Roman Church and a diocese of the Catholic Church in Italy, based at Frascati, near Rome. The bishop of Frascati is a Cardinal Bishop; from the Latin name of the area, the bishop has also been called Bishop of Tusculum. [upper-alpha 1] Tusculum was destroyed in 1191. The bishopric moved from Tusculum to Frascati, a nearby town which is first mentioned in the pontificate of Pope Leo IV. [1] Until 1962, the Cardinal-Bishop was concurrently the diocesan bishop of the see in addition to any curial duties he possessed. Pope John XXIII removed the Cardinal Bishops from any actual responsibility in their suburbicarian dioceses, and made the title purely honorific.


Relationships during the 17th century

Like other dioceses close to Rome, Frascati became a bishopric of choice for Cardinals of powerful papal families during the 17th century; a period known for its unabashed nepotism. Frascati Bishops of that era were significantly intertwined:


To 1200

Bishops of Labico

  • Pietro (761) [2]
  • Giorgio (826)
  • Pietro (853–869)
  • Leo (879)
  • Lunisso (963–968)
  • Benedetto (998–999)
  • Leo (?) (1004)
  • Johannes Homo (1015)
  • Domenico (1024–1036)

Bishops of Tusculum


Bishops of Frascati



From 1800

From 1900

Titular Cardinal-Bishops

Bishops of Frascati

Auxiliary bishops


  1. Tusculum had earlier been the property of the Monastery of Subiaco: P. Egidi, "L'abbazia sublacense e la signoria di Tuscolo," Archivio della Società Romana di storia patria 25 (1902), pp. 470–477.
  2. Source for the period 1044-1130: Rudolf Hüls, Kardinäle, Klerus und Kirchen Roms: 1049–1130, Bibliothek des Deutschen Historischen Instituts in Rom 1977, pp. 138–143
  3. Giovanni Romano (contemporaries did not call him Marsicano) became a monk at the Abbey of Bec under the well-known Anselm. He became a Canon of Beauvais. Pope Urban II named him Abbot of San Salvatore in Talese, and, in 1099, Pope Paschal II named him Bishop of Tusculum. Around one-third of Pope Paschal's appointments to the College of Cardinals were monks. In 1101 Cardinal Giovanni was sent as Papal Legate to England. In 1108 the Pope appointed him his Vicar for Rome while he travelled to Benevento. In 1111, he and Bishop Leo Marsicano of Ostia organized the resistance against Emperor Henry V, who had just captured the Pope and most of the cardinals. In March 1119 he attended a Synod in Benevento. He died shortly thereafter. Stephan Freund, "Giovanni di Tuscolo", Dizionario biografico degli Italiani 56 (2001). (in Italian) Retrieved: 2016-10-21. K. Ganzer, "Das römische Kardinalkollegium," in: Le istituzioni ecclesiastiche della "Societas christiana" dei secoli XI-XII, I, Papato, cardinalato ed episcopato, (Milano 1974), pp. 153–181.
  4. Divitius, Denys, Dionysius, Divizo, Denigo
  5. During the period 1130–1138 Gilles followed obedience of Anacletus II. A source for the period 1130-1182: Johannes M. Brixius, Die Mitglieder des Kardinalskollegiums von 1130-1181, Berlin 1912, p. 134
  6. Some sources[ who? ] say that Hugh de Saint-Victor was cardinal-bishop of Frascati 1139–1140/41 but Brixius, pp. 91–92 indicates that he should be eliminated from that list.
  7. Girard was created a cardinal by Pope Clement VII of the Avignon Obedience on 17 October 1390, and assigned the titular church of San Pietro in Vincoli. On 13 June 1405 he was promoted to the See of Tusculum (Frascati) by Pope Benedict XIII of the Avignon Obedience. He participated with most of the cardinals of the Avignon and the Roman Obediences in the Council of Pisa and the election of Pope Alexander V. He was Major Penitentiary. He died on 9 November 1415. Eubel, I, p. 28.

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  1. L. Duchesne, Le Liber Pontificalis Vol. II, part 1, p. 136, note 36.
  2. Gams, xxi.
  3. Michael Horn (1990). Der Kardinalbischof Imar von Tusculum als Legat in England 1144/1145 (in German). Freiburg-München: Karl Alber.
  4. Herbert Millingchamp Vaughan (1906). The Last of the Royal Stuarts: Henry Stuart, Cardinal Duke of York. London: E.P.Dutton & Company.
  5. Bräuer, p. 192.
  6. Lentz, pp. 43–44.
  7. Lentz, p. 198.
  8. Lentz, pp. 23–24.
  9. Bräuer, p. 635.
  10. "Bishop Marco Antonio Bottoni (Bettoni), T.O.R." . David M. Cheney. Retrieved July 15, 2016